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poizon [28]
3 years ago
14

3. Find the length of time in years, given the principal of $4,800; interest rate

Mathematics
1 answer:
allsm [11]3 years ago
4 0

Answer:

2.5 years

Step-by-step explanation:

Formula for simple interest:

t = I / Pr

t = length of time

I = simple interest

P = initial amount

r = interest rate

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Which polynomials are in standard form?
Pavlova-9 [17]

Answer:

3z - 1

-5p^{5} + 2p^{2} -3p + 1

Step-by-step explanation:

In a standard form of a polynomial, the value in the power of the variable reduces from left to right.

Therefore, 3z - 1 polynomial is in standard form since the z term comes to the left of the constant term.

Again, -5p^{5} + 2p^{2} -3p + 1 polynomial is also in standard form since the power of p reduces from left to right. (Answer)

3 0
3 years ago
Read 2 more answers
a= vf-vi/t is the equation for calculating the acceleration of an object. write out the relationship hown in the equation, using
Irina-Kira [14]
Acceleration is the rate of change of velocity, which means the change in velocity (vf - vi) with time (t)

<span>where, vf is the final velocity and vi is the initial velocity 

</span>
4 0
3 years ago
An independent-measures research study uses two samples, each with n= 10 participants. If the data produce a t statistic of t =
solong [7]

Answer:

The correct option is (B) Fail to reject the null hypothesis with either α = .05 or α = .01

Step-by-step explanation:

Consider the provided information.

The size of sample 1 = n1 = 10

The size of sample 2 = n2 = 10

It is given that the test statistic is: t = 2.095

For  α = 0.05

ndf = n1 + n2 - 2

Substitute the respective values in the above formula.

ndf = 10 + 10 - 2 = 18

Two Tailed Test:

From the table, critical value of t = 2.1009

But the calculated value of t = 2.095 which is less than critical value of t = 2.1009, Fail to reject H_0.  

For  α = 0.01

From the table, critical value of t = 2.8784

But the calculated value of t = 2.095 which is less than critical value of t = 2.8784, Fail to reject H_0.  

Hence, the correct option is (B) Fail to reject the null hypothesis with either α = .05 or α = .01

4 0
3 years ago
Dalias living room is 12 feet wide her dining room is also 10 feet wide write two equivalent expressions that each represents th
liberstina [14]

If each room is a square, then,

area of living room = 12*12 = 144 square feet

area of dining room = 10*10 = 100 square feet

so the combined area would be 144+100 = 244 square feet

------------------------------

Though it is more likely the rooms are rectangles that aren't squares.

If so, then,

area of living room = 12x square feet

area of dining room = 10y square feet

combined area = 12x+10y square feet

where x and y represent the lengths of the living room and dining room respectively.

Optionally, we can factor out the GCF 2 to get 12x+10y = 2(6x+5y)

So 12x+10y is equivalent to 2(6x+5y). They are two ways to represent the combined area.

-------------------------------

If we knew that y = x, then we could say the combined area is:

12x+10y = 12x+10x = (12+10)x = 22x square feet

Though this is just another assumption of course. You'll need to provide more information or ask your teacher about this problem. It seems like something is missing. If possible, please post a diagram. Thank you.

6 0
3 years ago
A ceramic vase was originally priced at $100 but went on sale for 50% off. If Ernesto bought the ceramic vase and paid 12% sales
romanna [79]
Answer: he payed $56 in total

Explanation:
50% of 100 is 50.
50 time 1.12 is 56
7 0
3 years ago
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